./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:53:28,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:53:28,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:53:28,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:53:28,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:53:28,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:53:28,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:53:28,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:53:28,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:53:28,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:53:28,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:53:28,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:53:28,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:53:28,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:53:28,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:53:28,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:53:28,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:53:28,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:53:28,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:53:28,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:53:28,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:53:28,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:53:28,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:53:28,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:53:28,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:53:28,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:53:28,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:53:28,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:53:28,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:53:28,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:53:28,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:53:28,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:53:28,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:53:28,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:53:28,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:53:28,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:53:28,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:53:28,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:53:28,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:53:28,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:53:28,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:53:28,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:53:28,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:53:28,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:53:28,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:53:28,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:53:28,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:53:28,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:53:28,440 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:53:28,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:53:28,441 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:53:28,441 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:53:28,442 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:53:28,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:53:28,442 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:53:28,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:53:28,443 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:53:28,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:53:28,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:53:28,443 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:53:28,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:53:28,444 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:53:28,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:53:28,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:53:28,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:53:28,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:53:28,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:53:28,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:53:28,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:53:28,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:53:28,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:53:28,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:53:28,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:53:28,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:53:28,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:53:28,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:53:28,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:53:28,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:53:28,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:53:28,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:53:28,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:53:28,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:53:28,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:53:28,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 [2022-11-03 01:53:28,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:53:28,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:53:28,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:53:28,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:53:28,800 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:53:28,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2022-11-03 01:53:28,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/data/03ce00b61/d0b8f494fd314a92a64a77e0ed28a5de/FLAG48629fec8 [2022-11-03 01:53:29,339 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:53:29,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2022-11-03 01:53:29,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/data/03ce00b61/d0b8f494fd314a92a64a77e0ed28a5de/FLAG48629fec8 [2022-11-03 01:53:29,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/data/03ce00b61/d0b8f494fd314a92a64a77e0ed28a5de [2022-11-03 01:53:29,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:53:29,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:53:29,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:53:29,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:53:29,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:53:29,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:53:29" (1/1) ... [2022-11-03 01:53:29,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38348716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:29, skipping insertion in model container [2022-11-03 01:53:29,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:53:29" (1/1) ... [2022-11-03 01:53:29,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:53:29,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:53:30,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2022-11-03 01:53:30,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:30,191 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:53:30,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2022-11-03 01:53:30,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:30,305 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:53:30,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30 WrapperNode [2022-11-03 01:53:30,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:53:30,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:30,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:53:30,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:53:30,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,385 INFO L138 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 251 [2022-11-03 01:53:30,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:30,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:53:30,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:53:30,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:53:30,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,438 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:53:30,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:53:30,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:53:30,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:53:30,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (1/1) ... [2022-11-03 01:53:30,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:53:30,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:30,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:53:30,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:53:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:53:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 01:53:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 01:53:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 01:53:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 01:53:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 01:53:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 01:53:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 01:53:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 01:53:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 01:53:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 01:53:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:53:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 01:53:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 01:53:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:53:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:53:30,646 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:53:30,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:53:30,997 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:53:31,114 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:53:31,115 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:53:31,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:31 BoogieIcfgContainer [2022-11-03 01:53:31,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:53:31,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:53:31,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:53:31,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:53:31,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:53:29" (1/3) ... [2022-11-03 01:53:31,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9d4f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:31, skipping insertion in model container [2022-11-03 01:53:31,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:30" (2/3) ... [2022-11-03 01:53:31,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9d4f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:31, skipping insertion in model container [2022-11-03 01:53:31,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:31" (3/3) ... [2022-11-03 01:53:31,141 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2022-11-03 01:53:31,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:53:31,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:53:31,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:53:31,215 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bde05b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:53:31,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:53:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-03 01:53:31,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 01:53:31,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:31,246 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:31,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:31,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:31,252 INFO L85 PathProgramCache]: Analyzing trace with hash 403795968, now seen corresponding path program 1 times [2022-11-03 01:53:31,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:31,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216093205] [2022-11-03 01:53:31,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:31,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:53:31,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:31,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216093205] [2022-11-03 01:53:31,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216093205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:31,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:31,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:53:31,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677813739] [2022-11-03 01:53:31,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:31,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:53:31,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:31,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:53:31,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:53:31,548 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 01:53:31,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:31,680 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2022-11-03 01:53:31,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:53:31,685 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-03 01:53:31,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:31,695 INFO L225 Difference]: With dead ends: 100 [2022-11-03 01:53:31,695 INFO L226 Difference]: Without dead ends: 46 [2022-11-03 01:53:31,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:53:31,706 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:31,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:53:31,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-03 01:53:31,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-03 01:53:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-03 01:53:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-11-03 01:53:31,748 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 21 [2022-11-03 01:53:31,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:31,749 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-11-03 01:53:31,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 01:53:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-03 01:53:31,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 01:53:31,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:31,751 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:31,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:53:31,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:31,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:31,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2120210632, now seen corresponding path program 1 times [2022-11-03 01:53:31,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:31,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439955488] [2022-11-03 01:53:31,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:31,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:53:31,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:31,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439955488] [2022-11-03 01:53:31,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439955488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:31,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:31,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:31,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326612635] [2022-11-03 01:53:31,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:31,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:31,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:31,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:31,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:31,922 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 01:53:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:31,987 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2022-11-03 01:53:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:31,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-03 01:53:31,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:31,993 INFO L225 Difference]: With dead ends: 69 [2022-11-03 01:53:31,994 INFO L226 Difference]: Without dead ends: 38 [2022-11-03 01:53:31,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:32,001 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:32,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 61 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:53:32,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-03 01:53:32,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-03 01:53:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-03 01:53:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-11-03 01:53:32,011 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 22 [2022-11-03 01:53:32,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:32,012 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-03 01:53:32,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 01:53:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-11-03 01:53:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 01:53:32,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:32,014 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:32,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:53:32,014 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:32,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:32,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1586864102, now seen corresponding path program 1 times [2022-11-03 01:53:32,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:32,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956890617] [2022-11-03 01:53:32,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:32,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:53:32,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:32,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956890617] [2022-11-03 01:53:32,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956890617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:32,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:32,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:32,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944098238] [2022-11-03 01:53:32,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:32,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:32,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:32,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:32,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:32,112 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:53:32,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:32,145 INFO L93 Difference]: Finished difference Result 74 states and 93 transitions. [2022-11-03 01:53:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:32,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-03 01:53:32,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:32,146 INFO L225 Difference]: With dead ends: 74 [2022-11-03 01:53:32,147 INFO L226 Difference]: Without dead ends: 38 [2022-11-03 01:53:32,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:32,148 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:32,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 33 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:53:32,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-03 01:53:32,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-03 01:53:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-03 01:53:32,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-03 01:53:32,155 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 24 [2022-11-03 01:53:32,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:32,157 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-03 01:53:32,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:53:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-03 01:53:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-03 01:53:32,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:32,158 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:32,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:53:32,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:32,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:32,159 INFO L85 PathProgramCache]: Analyzing trace with hash 42707982, now seen corresponding path program 1 times [2022-11-03 01:53:32,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:32,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325677976] [2022-11-03 01:53:32,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:32,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:53:32,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:32,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325677976] [2022-11-03 01:53:32,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325677976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:32,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:32,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:53:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693365126] [2022-11-03 01:53:32,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:32,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:53:32,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:53:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:53:32,680 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:53:32,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:32,839 INFO L93 Difference]: Finished difference Result 119 states and 147 transitions. [2022-11-03 01:53:32,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:53:32,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-03 01:53:32,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:32,841 INFO L225 Difference]: With dead ends: 119 [2022-11-03 01:53:32,842 INFO L226 Difference]: Without dead ends: 83 [2022-11-03 01:53:32,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:53:32,845 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 68 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:32,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 139 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:53:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-03 01:53:32,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 68. [2022-11-03 01:53:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 52 states have internal predecessors, (58), 12 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-03 01:53:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2022-11-03 01:53:32,865 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 82 transitions. Word has length 27 [2022-11-03 01:53:32,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:32,866 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 82 transitions. [2022-11-03 01:53:32,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:53:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2022-11-03 01:53:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 01:53:32,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:32,868 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:32,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:53:32,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:32,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:32,869 INFO L85 PathProgramCache]: Analyzing trace with hash 868809498, now seen corresponding path program 1 times [2022-11-03 01:53:32,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:32,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008220799] [2022-11-03 01:53:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:53:33,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:33,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008220799] [2022-11-03 01:53:33,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008220799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:33,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:33,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:53:33,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175406319] [2022-11-03 01:53:33,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:33,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:53:33,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:33,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:53:33,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:53:33,367 INFO L87 Difference]: Start difference. First operand 68 states and 82 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:53:33,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:33,794 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2022-11-03 01:53:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:53:33,795 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2022-11-03 01:53:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:33,797 INFO L225 Difference]: With dead ends: 183 [2022-11-03 01:53:33,797 INFO L226 Difference]: Without dead ends: 147 [2022-11-03 01:53:33,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:53:33,799 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 160 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:33,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 219 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:53:33,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-03 01:53:33,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 134. [2022-11-03 01:53:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 90 states have (on average 1.2444444444444445) internal successors, (112), 103 states have internal predecessors, (112), 24 states have call successors, (24), 18 states have call predecessors, (24), 19 states have return successors, (25), 22 states have call predecessors, (25), 24 states have call successors, (25) [2022-11-03 01:53:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2022-11-03 01:53:33,829 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 30 [2022-11-03 01:53:33,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:33,830 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2022-11-03 01:53:33,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:53:33,831 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2022-11-03 01:53:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 01:53:33,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:33,832 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:33,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:53:33,833 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:33,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1291627812, now seen corresponding path program 1 times [2022-11-03 01:53:33,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:33,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452258610] [2022-11-03 01:53:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:33,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 01:53:33,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:33,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452258610] [2022-11-03 01:53:33,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452258610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:33,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:33,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:53:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064954512] [2022-11-03 01:53:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:33,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:53:33,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:53:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:53:33,934 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:53:34,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:34,071 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2022-11-03 01:53:34,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:53:34,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-11-03 01:53:34,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:34,073 INFO L225 Difference]: With dead ends: 313 [2022-11-03 01:53:34,074 INFO L226 Difference]: Without dead ends: 181 [2022-11-03 01:53:34,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:53:34,075 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 19 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:34,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 191 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:53:34,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-03 01:53:34,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 171. [2022-11-03 01:53:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 115 states have (on average 1.208695652173913) internal successors, (139), 129 states have internal predecessors, (139), 30 states have call successors, (30), 23 states have call predecessors, (30), 25 states have return successors, (34), 30 states have call predecessors, (34), 30 states have call successors, (34) [2022-11-03 01:53:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 203 transitions. [2022-11-03 01:53:34,108 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 203 transitions. Word has length 30 [2022-11-03 01:53:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:34,108 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 203 transitions. [2022-11-03 01:53:34,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:53:34,109 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 203 transitions. [2022-11-03 01:53:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-03 01:53:34,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:34,111 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:34,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:53:34,111 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:34,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:34,112 INFO L85 PathProgramCache]: Analyzing trace with hash 238055912, now seen corresponding path program 1 times [2022-11-03 01:53:34,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:34,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671841260] [2022-11-03 01:53:34,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:53:34,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:34,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671841260] [2022-11-03 01:53:34,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671841260] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:34,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867914201] [2022-11-03 01:53:34,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:34,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:34,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:53:34,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:53:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:34,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-03 01:53:34,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:53:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:34,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:53:34,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867914201] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:53:34,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1847625605] [2022-11-03 01:53:34,779 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-03 01:53:34,779 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:53:34,783 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:53:34,789 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:53:34,789 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:53:47,933 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 320 for LOIs [2022-11-03 01:53:48,030 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2022-11-03 01:53:48,341 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 56 for LOIs [2022-11-03 01:53:48,356 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:54:00,082 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2530#(and (<= 1 ~pumpRunning~0) (<= |old(~waterLevel~0)| 2147483647) (<= 0 |timeShift_isMethaneAlarm_~retValue_acc~4#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483647) (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (<= |timeShift_isHighWaterLevel_#res#1| 1) (<= |timeShift_isMethaneLevelCritical_~retValue_acc~0#1| 0) (<= 0 |timeShift_isHighWaterLevel_~tmp~4#1|) (<= 0 |timeShift_isMethaneLevelCritical_#res#1|) (<= ~pumpRunning~0 1) (<= 2 |timeShift_getWaterLevel_~retValue_acc~1#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (<= 1 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (<= 2 ~waterLevel~0) (<= |timeShift_isMethaneLevelCritical_#res#1| 0) (<= 1 |timeShift_isHighWaterLevel_~tmp___0~1#1|) (<= |timeShift_isHighWaterSensorDry_~retValue_acc~2#1| 0) (<= 0 |timeShift_isHighWaterSensorDry_#res#1|) (<= |timeShift_activatePump_~tmp~3#1| 0) (<= |timeShift_processEnvironment_~tmp~2#1| 1) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0) (<= |timeShift_isMethaneAlarm_#res#1| 0) (<= 2 |old(~waterLevel~0)|) (<= ~waterLevel~0 2147483647) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 2 |timeShift_getWaterLevel_#res#1|) (= ~head~0.base 0) (<= |timeShift_isHighWaterLevel_~retValue_acc~6#1| 1) (= |#NULL.offset| 0) (<= 0 |timeShift_isHighWaterSensorDry_~retValue_acc~2#1|) (<= |timeShift_isHighWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isHighWaterLevel_~retValue_acc~6#1|) (<= 0 |timeShift_isMethaneAlarm_#res#1|) (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|) (<= 0 |timeShift_activatePump_~tmp~3#1|) (<= |timeShift_isMethaneAlarm_~retValue_acc~4#1| 0) (<= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1) (<= 0 |timeShift_isMethaneLevelCritical_~retValue_acc~0#1|) (<= 1 |timeShift_isHighWaterLevel_#res#1|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~cleanupTimeShifts~0 4) (<= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |#NULL.base| 0) (= |old(~switchedOnBeforeTS~0)| 0))' at error location [2022-11-03 01:54:00,082 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:54:00,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:54:00,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-03 01:54:00,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057502664] [2022-11-03 01:54:00,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:54:00,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:54:00,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:00,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:54:00,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=937, Unknown=0, NotChecked=0, Total=1122 [2022-11-03 01:54:00,095 INFO L87 Difference]: Start difference. First operand 171 states and 203 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 5 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-11-03 01:54:02,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:02,835 INFO L93 Difference]: Finished difference Result 1157 states and 1426 transitions. [2022-11-03 01:54:02,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-03 01:54:02,836 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 5 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 50 [2022-11-03 01:54:02,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:02,844 INFO L225 Difference]: With dead ends: 1157 [2022-11-03 01:54:02,844 INFO L226 Difference]: Without dead ends: 988 [2022-11-03 01:54:02,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1628 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=716, Invalid=4254, Unknown=0, NotChecked=0, Total=4970 [2022-11-03 01:54:02,849 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 709 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:02,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 710 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 01:54:02,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2022-11-03 01:54:02,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 681. [2022-11-03 01:54:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 460 states have (on average 1.1695652173913043) internal successors, (538), 501 states have internal predecessors, (538), 113 states have call successors, (113), 101 states have call predecessors, (113), 107 states have return successors, (133), 108 states have call predecessors, (133), 113 states have call successors, (133) [2022-11-03 01:54:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 784 transitions. [2022-11-03 01:54:02,994 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 784 transitions. Word has length 50 [2022-11-03 01:54:02,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:02,995 INFO L495 AbstractCegarLoop]: Abstraction has 681 states and 784 transitions. [2022-11-03 01:54:02,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 5 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-11-03 01:54:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 784 transitions. [2022-11-03 01:54:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 01:54:02,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:02,999 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:03,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:03,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 01:54:03,228 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:03,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:03,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1378066669, now seen corresponding path program 1 times [2022-11-03 01:54:03,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:03,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099091977] [2022-11-03 01:54:03,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:03,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 01:54:03,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:03,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099091977] [2022-11-03 01:54:03,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099091977] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:54:03,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703886620] [2022-11-03 01:54:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:03,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:03,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:03,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:54:03,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:54:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:03,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 01:54:03,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 01:54:03,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-03 01:54:03,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703886620] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:03,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [273573986] [2022-11-03 01:54:03,902 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-11-03 01:54:03,903 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:54:03,903 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:54:03,904 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:54:03,904 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:54:14,966 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 324 for LOIs [2022-11-03 01:54:15,067 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 37 for LOIs [2022-11-03 01:54:15,292 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 57 for LOIs [2022-11-03 01:54:15,310 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 30 for LOIs [2022-11-03 01:54:15,316 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:54:28,626 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5839#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483648)))' at error location [2022-11-03 01:54:28,626 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:54:28,626 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:54:28,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2022-11-03 01:54:28,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992493493] [2022-11-03 01:54:28,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:54:28,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:54:28,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:28,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:54:28,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1336, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 01:54:28,629 INFO L87 Difference]: Start difference. First operand 681 states and 784 transitions. Second operand has 14 states, 12 states have (on average 5.25) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-03 01:54:30,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:30,944 INFO L93 Difference]: Finished difference Result 794 states and 925 transitions. [2022-11-03 01:54:30,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-03 01:54:30,945 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.25) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) Word has length 52 [2022-11-03 01:54:30,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:30,945 INFO L225 Difference]: With dead ends: 794 [2022-11-03 01:54:30,946 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:54:30,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1986 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=715, Invalid=5447, Unknown=0, NotChecked=0, Total=6162 [2022-11-03 01:54:30,951 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 535 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:30,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 587 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 01:54:30,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:54:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:54:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:54:30,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-11-03 01:54:30,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:30,953 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:54:30,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.25) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-03 01:54:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:54:30,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:54:30,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:54:30,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:31,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:31,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:54:40,856 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 337 343) no Hoare annotation was computed. [2022-11-03 01:54:40,856 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 337 343) the Hoare annotation is: true [2022-11-03 01:54:40,857 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 134 145) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 1)) (.cse7 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse6 (not .cse11)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse8 (not .cse1)) (.cse0 (not .cse7)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not .cse9)) (.cse10 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse2) (or (not (< 1 ~waterLevel~0)) .cse0 .cse6 .cse1 .cse2 (not (<= ~waterLevel~0 2))) (or .cse2 .cse3 .cse7 .cse8 .cse9) (or .cse5 .cse2 .cse7 .cse8 .cse10 .cse9) (or .cse11 .cse2 .cse7 .cse8 .cse10 .cse9) (or .cse0 .cse1 .cse2 .cse4 .cse10)))) [2022-11-03 01:54:40,857 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 134 145) no Hoare annotation was computed. [2022-11-03 01:54:40,857 INFO L895 garLoopResultBuilder]: At program point L353(lines 353 361) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 (and (< 0 (+ |timeShift_processEnvironment_~tmp~2#1| 1)) .cse2 (<= |timeShift_processEnvironment_~tmp~2#1| 0) (= ~waterLevel~0 1) .cse3)) (or .cse1 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4) (or .cse1 (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse0 .cse4) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse1 .cse0))) [2022-11-03 01:54:40,858 INFO L895 garLoopResultBuilder]: At program point L349(lines 349 366) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse5 (= |old(~pumpRunning~0)| 0)) (.cse12 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (and .cse12 (not (= |old(~pumpRunning~0)| 1)))) (.cse0 (not .cse12)) (.cse1 (= ~pumpRunning~0 1)) (.cse8 (not .cse5)) (.cse2 (= ~waterLevel~0 1)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse11 (not .cse9)) (.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (or .cse0 .cse1) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse4 .cse0 .cse1) (or .cse8 .cse3 (not (< 1 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~waterLevel~0)| 2))) (or .cse8 (not (= |old(~waterLevel~0)| 1)) .cse3 (and .cse9 .cse2 .cse10)) (or .cse3 (and (or (and .cse11 .cse2) (and .cse9 (= 2 ~waterLevel~0))) .cse10) .cse6) (or .cse7 (and .cse11 .cse10) .cse3 .cse5)))) [2022-11-03 01:54:40,858 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-03 01:54:40,858 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 313 335) no Hoare annotation was computed. [2022-11-03 01:54:40,859 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (= |old(~pumpRunning~0)| 0)) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not .cse12)) (.cse5 (not .cse11)) (.cse7 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse8 (= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and .cse13 (not (= |old(~pumpRunning~0)| 1)))) (.cse3 (not .cse13)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 (not (< 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or .cse1 (and .cse6 .cse7 .cse8 .cse9) .cse10) (or .cse0 .cse1 .cse11 (and .cse6 .cse7 .cse9)) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (< 0 (+ |timeShift_processEnvironment_~tmp~2#1| 1)) .cse12 .cse7 (<= |timeShift_processEnvironment_~tmp~2#1| 0) .cse8 .cse9)) (or .cse1 .cse2 .cse3 .cse10 .cse4)))) [2022-11-03 01:54:40,859 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-03 01:54:40,859 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (let ((.cse1 (< 0 (+ |timeShift_processEnvironment_~tmp~2#1| 1))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= |timeShift_processEnvironment_~tmp~2#1| 0)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse5) (or (not .cse6) (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4)) (or .cse0 (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse6 .cse5) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse6))) [2022-11-03 01:54:40,859 INFO L895 garLoopResultBuilder]: At program point L950(line 950) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse1 .cse0))) [2022-11-03 01:54:40,860 INFO L895 garLoopResultBuilder]: At program point L364(line 364) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse9)) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 (and .cse6 (= ~waterLevel~0 1) .cse7) .cse8) (or .cse2 (and .cse6 .cse7) .cse1 .cse9) (or .cse1 .cse3 .cse4 .cse8 .cse5)))) [2022-11-03 01:54:40,860 INFO L895 garLoopResultBuilder]: At program point L364-1(lines 345 369) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse9 (not .cse18)) (.cse10 (= ~pumpRunning~0 1))) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse16 (or .cse9 .cse10)) (.cse17 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (let ((.cse6 (and .cse18 (not (= |old(~pumpRunning~0)| 1)))) (.cse11 (and .cse16 .cse17 .cse4)) (.cse13 (not .cse2)) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse15 (not .cse12)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse9 .cse10) (or .cse1 .cse6 .cse2 .cse3 .cse11) (or .cse12 .cse1 .cse6 .cse3 .cse11) (or .cse13 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (< 0 (+ |timeShift_processEnvironment_~tmp~2#1| 1)) .cse12 (<= |timeShift_processEnvironment_~tmp~2#1| 0) .cse4 .cse8)) (or .cse13 .cse1 .cse5 .cse14 .cse7) (or .cse1 (and .cse12 .cse14 .cse8) (and .cse15 .cse4 .cse8) (and .cse16 .cse14) .cse3) (or .cse0 (and .cse15 .cse8) .cse1 .cse2)))))) [2022-11-03 01:54:40,860 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse12 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not .cse12)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse11 (not .cse5)) (.cse10 (= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (and .cse14 (not (= |old(~pumpRunning~0)| 1)))) (.cse8 (not .cse14)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse9 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 (not (< 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse6 .cse1 .cse3) (or .cse0 .cse1 .cse7 .cse8 .cse9) (or .cse4 .cse6 .cse1 (and .cse5 .cse10)) (or .cse11 .cse1 .cse7 .cse12 .cse2) (or .cse0 .cse1 .cse12 (and .cse11 (or .cse13 .cse10) .cse3)) (or .cse1 .cse2 .cse13) (or .cse1 .cse7 .cse8 .cse2 .cse9)))) [2022-11-03 01:54:40,861 INFO L895 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse17 (= ~methaneLevelCritical~0 0)) (.cse15 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse15)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse16 (not (= |timeShift___utac_acc__Specification5_spec__2_#t~ret4#1| 0))) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= |timeShift___utac_acc__Specification5_spec__2_#t~ret4#1| ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse10 (and .cse17 (not (= |old(~pumpRunning~0)| 1)))) (.cse11 (not .cse17)) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse12 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse6 .cse2 (and .cse1 .cse8 .cse9)) (or .cse5 .cse2 .cse10 .cse11 .cse12) (or .cse2 (and .cse13 .cse9) .cse14) (or .cse5 .cse2 .cse3 .cse4 .cse7) (or .cse2 .cse10 .cse15 .cse16 .cse14) (or .cse5 .cse2 .cse15 (and .cse16 (or .cse13 .cse8) .cse7 .cse9)) (or .cse2 .cse10 .cse11 .cse14 .cse12)))) [2022-11-03 01:54:40,861 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-11-03 01:54:40,861 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-11-03 01:54:40,862 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 310 336) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse12 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not .cse12)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse11 (not .cse5)) (.cse10 (= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (and .cse14 (not (= |old(~pumpRunning~0)| 1)))) (.cse8 (not .cse14)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse9 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 (not (< 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse6 .cse1 .cse3) (or .cse0 .cse1 .cse7 .cse8 .cse9) (or .cse4 .cse6 .cse1 (and .cse5 .cse10)) (or .cse11 .cse1 .cse7 .cse12 .cse2) (or .cse0 .cse1 .cse12 (and .cse11 (or .cse13 .cse10) .cse3)) (or .cse1 .cse2 .cse13) (or .cse1 .cse7 .cse8 .cse2 .cse9)))) [2022-11-03 01:54:40,862 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse22 (= ~methaneLevelCritical~0 0))) (let ((.cse9 (not .cse22)) (.cse11 (= ~pumpRunning~0 1)) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse15 (not .cse12)) (.cse16 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= |old(~pumpRunning~0)| 0)) (.cse19 (or .cse9 .cse11)) (.cse21 (= 1 ~systemActive~0)) (.cse17 (= ~waterLevel~0 1)) (.cse10 (not (= |old(~pumpRunning~0)| 1)))) (let ((.cse2 (and .cse22 .cse10)) (.cse7 (and .cse19 .cse21 .cse17)) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse13 (not .cse5)) (.cse0 (not .cse21)) (.cse14 (and .cse15 .cse16 .cse21 .cse17 .cse4)) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse10 .cse11) (or .cse12 .cse0 .cse2 .cse6 .cse7) (or .cse13 .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) (or .cse8 .cse0 .cse5 .cse14 .cse6) (or .cse8 .cse0 .cse5 (and .cse15 .cse16 .cse4)) (or .cse13 (not (= |old(~waterLevel~0)| 1)) .cse0 (and (< 0 (+ |timeShift_processEnvironment_~tmp~2#1| 1)) .cse12 .cse16 (<= |timeShift_processEnvironment_~tmp~2#1| 0) .cse17 .cse4)) (let ((.cse18 (= 2 ~waterLevel~0)) (.cse20 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or .cse0 (and .cse18 .cse19 .cse20) (and .cse12 .cse18 .cse4 .cse20) .cse14 .cse6))))))) [2022-11-03 01:54:40,862 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 310 336) no Hoare annotation was computed. [2022-11-03 01:54:40,862 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2022-11-03 01:54:40,863 INFO L895 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse9 (not .cse18)) (.cse10 (= ~pumpRunning~0 1))) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse16 (or .cse9 .cse10)) (.cse17 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (let ((.cse6 (and .cse18 (not (= |old(~pumpRunning~0)| 1)))) (.cse11 (and .cse16 .cse17 .cse4)) (.cse13 (not .cse2)) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse15 (not .cse12)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse9 .cse10) (or .cse1 .cse6 .cse2 .cse3 .cse11) (or .cse12 .cse1 .cse6 .cse3 .cse11) (or .cse13 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (< 0 (+ |timeShift_processEnvironment_~tmp~2#1| 1)) .cse12 (<= |timeShift_processEnvironment_~tmp~2#1| 0) .cse4 .cse8)) (or .cse13 .cse1 .cse5 .cse14 .cse7) (or .cse1 (and .cse12 .cse14 .cse8) (and .cse15 .cse4 .cse8) (and .cse16 .cse14) .cse3) (or .cse0 (and .cse15 .cse8) .cse1 .cse2)))))) [2022-11-03 01:54:40,863 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2022-11-03 01:54:40,863 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2022-11-03 01:54:40,863 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2022-11-03 01:54:40,864 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2022-11-03 01:54:40,864 INFO L902 garLoopResultBuilder]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2022-11-03 01:54:40,864 INFO L902 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2022-11-03 01:54:40,864 INFO L902 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: true [2022-11-03 01:54:40,864 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2022-11-03 01:54:40,865 INFO L902 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2022-11-03 01:54:40,865 INFO L902 garLoopResultBuilder]: At program point L291-2(lines 291 298) the Hoare annotation is: true [2022-11-03 01:54:40,865 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 516) no Hoare annotation was computed. [2022-11-03 01:54:40,865 INFO L899 garLoopResultBuilder]: For program point L510-1(lines 510 516) no Hoare annotation was computed. [2022-11-03 01:54:40,865 INFO L902 garLoopResultBuilder]: At program point L539(lines 480 543) the Hoare annotation is: true [2022-11-03 01:54:40,866 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (let ((.cse2 (= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (or (and .cse7 .cse3 .cse5 .cse6) (and .cse7 (< 1 ~waterLevel~0) .cse3 .cse5 (<= ~waterLevel~0 2)))) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (not .cse4) .cse5) (and (or (and .cse4 .cse3 .cse5 .cse6) (and .cse2 .cse3 .cse5)) (= ~pumpRunning~0 1)) (and .cse4 .cse0) (and (not .cse7) .cse3 .cse5 .cse1)))) [2022-11-03 01:54:40,866 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 01:54:40,866 INFO L895 garLoopResultBuilder]: At program point L536(lines 489 537) the Hoare annotation is: false [2022-11-03 01:54:40,866 INFO L899 garLoopResultBuilder]: For program point L491(lines 490 535) no Hoare annotation was computed. [2022-11-03 01:54:40,866 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:54:40,866 INFO L895 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 2 ~waterLevel~0) (or (not .cse1) (= ~pumpRunning~0 1)) .cse2 .cse3) (and .cse2 .cse3 .cse4 .cse5) (and .cse0 (< 1 ~waterLevel~0) .cse2 .cse3 (<= ~waterLevel~0 2)) (and (not .cse0) .cse2 .cse3 .cse5))) [2022-11-03 01:54:40,866 INFO L895 garLoopResultBuilder]: At program point L533(lines 490 535) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 1)) (.cse5 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (or (not .cse1) (= ~pumpRunning~0 1)) .cse2 .cse3) (and .cse2 .cse3 .cse4 .cse6) (and .cse5 .cse2 .cse3 .cse6) (and (not .cse0) .cse2 .cse3 .cse6))) [2022-11-03 01:54:40,867 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2022-11-03 01:54:40,867 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2022-11-03 01:54:40,867 INFO L895 garLoopResultBuilder]: At program point L526-2(lines 520 531) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (= ~waterLevel~0 1)) (and (not .cse2) .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-03 01:54:40,867 INFO L895 garLoopResultBuilder]: At program point L291(lines 291 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-03 01:54:40,867 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 122 133) no Hoare annotation was computed. [2022-11-03 01:54:40,867 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 122 133) the Hoare annotation is: (let ((.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not .cse1)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse5 (let ((.cse11 (not .cse10))) (and (or .cse11 .cse0 (not (< 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or .cse11 .cse9 .cse0)))) (.cse8 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~waterLevel~0 1))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or (= 2 ~waterLevel~0) .cse5 .cse8 .cse3) (or .cse9 .cse0 .cse6 .cse2 .cse4) (or .cse5 .cse8 .cse4 .cse7) (or .cse10 .cse0 .cse8 .cse4 .cse7)))) [2022-11-03 01:54:40,868 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2022-11-03 01:54:40,868 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2022-11-03 01:54:40,870 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:40,872 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:54:40,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:54:40 BoogieIcfgContainer [2022-11-03 01:54:40,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:54:40,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:54:40,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:54:40,936 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:54:40,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:31" (3/4) ... [2022-11-03 01:54:40,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:54:40,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 01:54:40,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 01:54:40,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 01:54:40,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 01:54:40,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 01:54:40,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 01:54:40,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2022-11-03 01:54:40,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-03 01:54:40,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 01:54:40,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 01:54:40,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:54:40,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:54:40,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:54:40,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == 1) && aux-isPumpRunning()-aux == pumpRunning))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((!(1 == systemActive) || (\old(waterLevel) == waterLevel && aux-isPumpRunning()-aux == pumpRunning)) || !(\old(waterLevel) == 2))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(aux-isPumpRunning()-aux == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || (((!(aux-isPumpRunning()-aux == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning))) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || pumpRunning == 1) [2022-11-03 01:54:41,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || waterLevel == 1) && ((((!(1 == systemActive) || !(1 < \old(waterLevel))) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((pumpRunning == 0 || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((((0 < tmp + 1 && pumpRunning == 0) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || ((!(pumpRunning == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || ((!(methaneLevelCritical == 0) || pumpRunning == 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (!(pumpRunning == 0) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) [2022-11-03 01:54:41,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == systemActive) || !(1 < \old(waterLevel))) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((pumpRunning == 0 || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((!(pumpRunning == 0) && tmp == waterLevel) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((!(pumpRunning == 0) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((((0 < tmp + 1 && pumpRunning == 0) && tmp == waterLevel) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(1 == systemActive) || ((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && tmp == 2)) || (((pumpRunning == 0 && 2 == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == 2)) || ((((!(pumpRunning == 0) && tmp == waterLevel) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) [2022-11-03 01:54:41,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(methaneLevelCritical == 0) || pumpRunning == 1) && waterLevel == 1) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((!(1 == systemActive) || (((!(pumpRunning == 0) && waterLevel == 1) || (pumpRunning == 0 && 2 == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (!(pumpRunning == 0) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) [2022-11-03 01:54:41,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) [2022-11-03 01:54:41,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || waterLevel == 1) && ((((!(1 == systemActive) || !(1 < \old(waterLevel))) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((pumpRunning == 0 || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((((0 < tmp + 1 && pumpRunning == 0) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || ((!(pumpRunning == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || ((!(methaneLevelCritical == 0) || pumpRunning == 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (!(pumpRunning == 0) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) [2022-11-03 01:54:41,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((((0 < tmp + 1 && pumpRunning == 0) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) && ((!(1 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && ((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) [2022-11-03 01:54:41,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:54:41,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:54:41,039 INFO L158 Benchmark]: Toolchain (without parser) took 71337.16ms. Allocated memory was 127.9MB in the beginning and 513.8MB in the end (delta: 385.9MB). Free memory was 94.7MB in the beginning and 183.0MB in the end (delta: -88.3MB). Peak memory consumption was 296.2MB. Max. memory is 16.1GB. [2022-11-03 01:54:41,039 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 86.0MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:41,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.83ms. Allocated memory is still 127.9MB. Free memory was 94.4MB in the beginning and 95.1MB in the end (delta: -673.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:54:41,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.88ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 92.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:54:41,040 INFO L158 Benchmark]: Boogie Preprocessor took 57.06ms. Allocated memory is still 127.9MB. Free memory was 92.3MB in the beginning and 90.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:54:41,041 INFO L158 Benchmark]: RCFGBuilder took 682.40ms. Allocated memory is still 127.9MB. Free memory was 90.9MB in the beginning and 61.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-03 01:54:41,041 INFO L158 Benchmark]: TraceAbstraction took 69803.48ms. Allocated memory was 127.9MB in the beginning and 513.8MB in the end (delta: 385.9MB). Free memory was 60.9MB in the beginning and 189.3MB in the end (delta: -128.4MB). Peak memory consumption was 277.7MB. Max. memory is 16.1GB. [2022-11-03 01:54:41,041 INFO L158 Benchmark]: Witness Printer took 102.68ms. Allocated memory is still 513.8MB. Free memory was 189.3MB in the beginning and 183.0MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:54:41,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 86.0MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.83ms. Allocated memory is still 127.9MB. Free memory was 94.4MB in the beginning and 95.1MB in the end (delta: -673.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.88ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 92.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.06ms. Allocated memory is still 127.9MB. Free memory was 92.3MB in the beginning and 90.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.40ms. Allocated memory is still 127.9MB. Free memory was 90.9MB in the beginning and 61.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 69803.48ms. Allocated memory was 127.9MB in the beginning and 513.8MB in the end (delta: 385.9MB). Free memory was 60.9MB in the beginning and 189.3MB in the end (delta: -128.4MB). Peak memory consumption was 277.7MB. Max. memory is 16.1GB. * Witness Printer took 102.68ms. Allocated memory is still 513.8MB. Free memory was 189.3MB in the beginning and 183.0MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.7s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1551 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1532 mSDsluCounter, 1989 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1789 mSDsCounter, 1078 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2390 IncrementalHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1078 mSolverCounterUnsat, 568 mSDtfsCounter, 2390 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 472 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3648 ImplicationChecksByTransitivity, 27.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=681occurred in iteration=7, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 345 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 802 PreInvPairs, 1078 NumberOfFragments, 2640 HoareAnnotationTreeSize, 802 FomulaSimplifications, 13587 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 30321 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 448 ConstructedInterpolants, 0 QuantifiedInterpolants, 1275 SizeOfPredicates, 12 NumberOfNonLiveVariables, 866 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 117/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || waterLevel == 1) && ((((!(1 == systemActive) || !(1 < \old(waterLevel))) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((pumpRunning == 0 || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((((0 < tmp + 1 && pumpRunning == 0) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || ((!(pumpRunning == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || ((!(methaneLevelCritical == 0) || pumpRunning == 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (!(pumpRunning == 0) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) || (((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && 1 == systemActive) && splverifierCounter == 0)) || (((1 == systemActive && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || (((2 == waterLevel && 1 == systemActive) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS)) || (((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((((((((!(1 == systemActive) || !(1 < \old(waterLevel))) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((pumpRunning == 0 || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((!(pumpRunning == 0) && tmp == waterLevel) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((!(pumpRunning == 0) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((((0 < tmp + 1 && pumpRunning == 0) && tmp == waterLevel) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(1 == systemActive) || ((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && tmp == 2)) || (((pumpRunning == 0 && 2 == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == 2)) || ((((!(pumpRunning == 0) && tmp == waterLevel) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((((0 < tmp + 1 && pumpRunning == 0) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) && ((!(1 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && ((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == 1) && aux-isPumpRunning()-aux == pumpRunning))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((!(1 == systemActive) || (\old(waterLevel) == waterLevel && aux-isPumpRunning()-aux == pumpRunning)) || !(\old(waterLevel) == 2))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(aux-isPumpRunning()-aux == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || (((!(aux-isPumpRunning()-aux == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning))) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || pumpRunning == 1) - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((((((((((!(methaneLevelCritical == 0) || pumpRunning == 1) && waterLevel == 1) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((!(1 == systemActive) || (((!(pumpRunning == 0) && waterLevel == 1) || (pumpRunning == 0 && 2 == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (!(pumpRunning == 0) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || waterLevel == 1) && ((((!(1 == systemActive) || !(1 < \old(waterLevel))) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && ((((pumpRunning == 0 || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(\old(waterLevel) == 2)) || (((!(methaneLevelCritical == 0) || pumpRunning == 1) && 1 == systemActive) && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((((0 < tmp + 1 && pumpRunning == 0) && tmp <= 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || ((!(pumpRunning == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || ((!(methaneLevelCritical == 0) || pumpRunning == 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (!(pumpRunning == 0) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2022-11-03 01:54:41,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce95c77-0aa9-4f4c-82b9-7a297e99d15a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE